Cleaning machine



FIG. 1 is a top, front, right perspective view of a cleaning machine in accordance with my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is left side elevation view thereof.

The broken lines are included for the purpose of illustrating portions of the cleaning machine and form no part of the claimed design. 

CLAIM The ornamental design for a “cleaning machine,” as shown and described. 